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-rw-r--r--arch/powerpc/platforms/85xx/Kconfig2
-rw-r--r--arch/powerpc/platforms/85xx/common.c2
-rw-r--r--arch/powerpc/platforms/85xx/corenet_generic.c14
-rw-r--r--arch/powerpc/platforms/85xx/ppa8548.c2
-rw-r--r--arch/powerpc/platforms/85xx/qemu_e500.c10
-rw-r--r--arch/powerpc/platforms/85xx/sgy_cts1000.c4
6 files changed, 29 insertions, 5 deletions
diff --git a/arch/powerpc/platforms/85xx/Kconfig b/arch/powerpc/platforms/85xx/Kconfig
index 0c1e6903597e..f22635a71d01 100644
--- a/arch/powerpc/platforms/85xx/Kconfig
+++ b/arch/powerpc/platforms/85xx/Kconfig
@@ -276,7 +276,7 @@ config CORENET_GENERIC
For 64bit kernel, the following boards are supported:
T208x QDS/RDB, T4240 QDS/RDB and B4 QDS
The following boards are supported for both 32bit and 64bit kernel:
- P5020 DS, P5040 DS and T104xQDS
+ P5020 DS, P5040 DS and T104xQDS/RDB
endif # FSL_SOC_BOOKE
diff --git a/arch/powerpc/platforms/85xx/common.c b/arch/powerpc/platforms/85xx/common.c
index b564b5e23f7c..4a9ad871a168 100644
--- a/arch/powerpc/platforms/85xx/common.c
+++ b/arch/powerpc/platforms/85xx/common.c
@@ -14,7 +14,7 @@
#include "mpc85xx.h"
-static struct of_device_id __initdata mpc85xx_common_ids[] = {
+static const struct of_device_id mpc85xx_common_ids[] __initconst = {
{ .type = "soc", },
{ .compatible = "soc", },
{ .compatible = "simple-bus", },
diff --git a/arch/powerpc/platforms/85xx/corenet_generic.c b/arch/powerpc/platforms/85xx/corenet_generic.c
index d22dd85e50bf..e56b89a792ed 100644
--- a/arch/powerpc/platforms/85xx/corenet_generic.c
+++ b/arch/powerpc/platforms/85xx/corenet_generic.c
@@ -20,6 +20,7 @@
#include <asm/time.h>
#include <asm/machdep.h>
#include <asm/pci-bridge.h>
+#include <asm/pgtable.h>
#include <asm/ppc-pci.h>
#include <mm/mmu_decl.h>
#include <asm/prom.h>
@@ -67,6 +68,16 @@ void __init corenet_gen_setup_arch(void)
swiotlb_detect_4g();
+#if defined(CONFIG_FSL_PCI) && defined(CONFIG_ZONE_DMA32)
+ /*
+ * Inbound windows don't cover the full lower 4 GiB
+ * due to conflicts with PCICSRBAR and outbound windows,
+ * so limit the DMA32 zone to 2 GiB, to allow consistent
+ * allocations to succeed.
+ */
+ limit_zone_pfn(ZONE_DMA32, 1UL << (31 - PAGE_SHIFT));
+#endif
+
pr_info("%s board\n", ppc_md.name);
mpc85xx_qe_init();
@@ -129,6 +140,9 @@ static const char * const boards[] __initconst = {
"fsl,B4220QDS",
"fsl,T1040QDS",
"fsl,T1042QDS",
+ "fsl,T1040RDB",
+ "fsl,T1042RDB",
+ "fsl,T1042RDB_PI",
"keymile,kmcoge4",
NULL
};
diff --git a/arch/powerpc/platforms/85xx/ppa8548.c b/arch/powerpc/platforms/85xx/ppa8548.c
index 3daff7c63569..12019f17f297 100644
--- a/arch/powerpc/platforms/85xx/ppa8548.c
+++ b/arch/powerpc/platforms/85xx/ppa8548.c
@@ -59,7 +59,7 @@ static void ppa8548_show_cpuinfo(struct seq_file *m)
seq_printf(m, "PLL setting\t: 0x%x\n", ((phid1 >> 24) & 0x3f));
}
-static struct of_device_id __initdata of_bus_ids[] = {
+static const struct of_device_id of_bus_ids[] __initconst = {
{ .name = "soc", },
{ .type = "soc", },
{ .compatible = "simple-bus", },
diff --git a/arch/powerpc/platforms/85xx/qemu_e500.c b/arch/powerpc/platforms/85xx/qemu_e500.c
index 7f2673293549..8ad2fe6f200a 100644
--- a/arch/powerpc/platforms/85xx/qemu_e500.c
+++ b/arch/powerpc/platforms/85xx/qemu_e500.c
@@ -18,6 +18,7 @@
#include <linux/kernel.h>
#include <linux/of_fdt.h>
#include <asm/machdep.h>
+#include <asm/pgtable.h>
#include <asm/time.h>
#include <asm/udbg.h>
#include <asm/mpic.h>
@@ -44,6 +45,15 @@ static void __init qemu_e500_setup_arch(void)
fsl_pci_assign_primary();
swiotlb_detect_4g();
+#if defined(CONFIG_FSL_PCI) && defined(CONFIG_ZONE_DMA32)
+ /*
+ * Inbound windows don't cover the full lower 4 GiB
+ * due to conflicts with PCICSRBAR and outbound windows,
+ * so limit the DMA32 zone to 2 GiB, to allow consistent
+ * allocations to succeed.
+ */
+ limit_zone_pfn(ZONE_DMA32, 1UL << (31 - PAGE_SHIFT));
+#endif
mpc85xx_smp_init();
}
diff --git a/arch/powerpc/platforms/85xx/sgy_cts1000.c b/arch/powerpc/platforms/85xx/sgy_cts1000.c
index bb75add67084..8162b0412117 100644
--- a/arch/powerpc/platforms/85xx/sgy_cts1000.c
+++ b/arch/powerpc/platforms/85xx/sgy_cts1000.c
@@ -24,7 +24,7 @@
static struct device_node *halt_node;
-static struct of_device_id child_match[] = {
+static const struct of_device_id child_match[] = {
{
.compatible = "sgy,gpio-halt",
},
@@ -147,7 +147,7 @@ static int gpio_halt_remove(struct platform_device *pdev)
return 0;
}
-static struct of_device_id gpio_halt_match[] = {
+static const struct of_device_id gpio_halt_match[] = {
/* We match on the gpio bus itself and scan the children since they
* wont be matched against us. We know the bus wont match until it
* has been registered too. */